Apollo23-1200mAh Solar Charger for Mobile/Smart Phone/ MP3/ PDA/ Digital Camera With Keychain and LED Light Great for mobile phone, digital camera, PDA & MP3 1200mAh high capacity built in lithium battery High solar energy convert efficiency, over than 17% Output Current: 600mA (for a faster charge, please power-off your mobile device) Charging Time: Generally 80 min (charging time varies due to mobile phone brands)